Organisation for Economic Co-operation and Development. (1981). Japan: 1981. OECD Publishing.
Cita Chicago (17th ed.)Organisation for Economic Co-operation and Development. Japan: 1981. Paris: OECD Publishing, 1981.
Cita MLA (9th ed.)Organisation for Economic Co-operation and Development. Japan: 1981. OECD Publishing, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.